CN108293743A - A kind of machine-transplanted rice seedling culture method - Google Patents
A kind of machine-transplanted rice seedling culture method Download PDFInfo
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- CN108293743A CN108293743A CN201711010171.2A CN201711010171A CN108293743A CN 108293743 A CN108293743 A CN 108293743A CN 201711010171 A CN201711010171 A CN 201711010171A CN 108293743 A CN108293743 A CN 108293743A
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- rice
- seedling
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- seed rice
- leaf
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C1/00—Apparatus, or methods of use thereof, for testing or treating seed, roots, or the like, prior to sowing or planting
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
- A01C21/005—Following a specific plan, e.g. pattern
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
Abstract
The invention discloses a kind of machine-transplanted rice seedling culture methods, the seedling field of suitable area was chosen before this, seedling bed is built in seedling field, seed plate is laid on seedling bed, it followed by selects fertile, without gravel, weeds, the no remaining soil of the weeding pesticidal chemical volume ratio certain with well-rotted farmyard manure, which is uniformly mixed, is made seedling medium, seedling medium spreading on seed plate, the planting rice seed after disinfection vernalization is sprinkling upon on seedling medium again, and spread one layer of seedling medium covering seed rice, finally cover net, reinforce liquid manure and prevention pest management during seed rice germinating growth until transplanting nursery in such a way that seed plate is educated in conjunction with drought, cultivate the healthy and strong seedling body with certain disease resistance.Emergence rate of the present invention is high, solves that canopy seedling seedling is complicated for operation, and with high requirements and high cost to the technical merit and Farmer Quality Improvement that manage rice shoot, unobstructed outdoor seedling emergence is not neat enough, is after planting easy to be destroyed by heavy rain, easily by the plague of rats, bird pest the problems such as.
Description
Technical field
The invention belongs to rice seedling Cultivating techniques fields, and in particular to a kind of machine-transplanted rice seedling that can improve emergence rate
Breeding method.
Background technology
Modern agricultural development paces are constantly accelerated, home farm, big farming household, the Novel warps such as Farming Specialty Co-operative Organization
It seeks main body to continue to develop, land transformation area is on the increase.Due to area, climate temperature, water project situation, economic condition, rice farmer
The differences such as quality, a set of unified method of raising seedling can not be suitable for different regions.
Currently, Yunnan Province's Dehong prefecture is the raising rice seedlings mode master seedling to be used of the tropical and subtropical region of representative
Method has double film Small plastic shed seedling, greenhouse seedling, unobstructed outdoor seedling etc..Double film Small plastic shed seedling seedling are the disadvantage is that operation is multiple
Miscellaneous, seedling management difficulty is big, and technology is with high requirements and high cost, easy burn seedlings；Greenhouse seedling is the disadvantage is that of high cost, the mild illumination control of layer
Difficulty processed is big, and hardening difficulty is big, and rice shoot is not strengthened, complex management, requires the technical merit and Farmer Quality Improvement that manage rice shoot high；By
Variable in the climate change in raising rice seedlings time in tropical and subtropical zone region, unobstructed outdoor method of raising seedling can be prominent because of climate change
So cooling, low temperature keeps seed rice emergence not neat enough, unobstructed, makes seed rice after planting be easy to be destroyed by heavy rain, and easily by mouse
Evil, bird pest；Double film Small plastic shed seedling, greenhouse seedling then heat up because of climate change suddenly, so that rice shoot is burnt out by high temperature, are unfavorable for seedling
The growth and development of seedling causes part rice shoot dead, and above-mentioned several method of raising seedling all can not preferably meet is with Yunnan Province's Dehong prefecture
The tropical and subtropical region peasant household of representative requires.
Therefore, a kind of fining is researched and developed, the machine-transplanted rice seedling culture method that can improve seedling growth quality is to solve
The key of problem.
Invention content
It is easy the present invention intends to providing a kind of management, can ensure seedling growth consistency, improve seedling growth quality
Machine-transplanted rice seedling culture method.
The object of the present invention is achieved like this：Half seedbed darkened is formed using by sunshading facility, and in overlay area
Interior to provide identical temperature, humidity environment, the nursery in such a way that seed plate is educated in conjunction with drought is cultivated strong with certain disease resistance
Strong sprout body, includes the following steps：
A, seed rice pre-processes, and the particle for select grain in hybrid rice or conventional rice full, disease-free greatly is sows seed rice, choosing
The seed rice selected is placed in dryness in the sun in the environment of direct sunlight and de- awns screening and choosing is spare；
B, seedling bed build, select it is leeward on the sunny side, the convenient rice field of irrigation and drainage, floor build seedbed, seedbed is 120 ~ 160 centimetres wide,
Irrigation and drainage ditch, 40 ~ 60 centimetres of irrigation and drainage furrow width are set between seedbed, and depth is 10 ~ 25 centimetres；
C, seedling medium is processed, select it is fertile, without gravel, weeds, crushed mesh screen without the remaining soil of pesticidal chemical and be sieved into
For nursery soil, selecting well-rotted farmyard manure to cross mesh screen screening becomes nursery fertilizer, and nursery soil and nursery fertilizer are pressed 1 ~ 3:1 volume ratio
The uniformly mixed seedling medium that is made is spare, and nursery soil and nursery fertilizer are pressed 2 ~ 3:1 volume ratio is uniformly mixed and seedling medium is made
It is spare；
Seed rice after screening is put into soaking sterilization in bactericidal agent by D, breeding, and the seed rice after soaking sterilization is pulled out using clear
Water rinses 3 ~ 5 times, and filters out moisture；Secondly the seed rice for filtering out moisture is stacked, the progress vernalization of spontaneous temperature, until seed rice broken shell is revealed
In vain；
E, it sows, seed plate is neatly laid on the seedbed built, secondly seedling medium is laid on seed plate, in seedling medium
On uniformly sow the seed rice handled by breeding, after sowing with seedling medium covering seed rice lose grain, no accumulation；Most
After take and cover net and cover seedbed, cover the edge soil compaction of net on the edge of irrigation and drainage ditch；
F, it manages, when seedling growth is at 2 Leaf-Age-Period, fertilising is primary；When seedling growth to 2.5 Leaf-Age-Period, every morning and afternoon
Each watering is primary；When seedling growth to 3 Leaf-Age-Period, removes and cover net progress hardening up to seedling growth to 3.5 ~ 4.5 leaf ages, single plant
Rice shoot is transplanted when 15 ~ 20 centimetres high, and fertilising in 2 ~ 3 days is primary before transplanting；
G, disease control when seedling growth to 1.5 ~ 2.5 Leaf-Age-Period, sprays the medicament for preventing withered seedling diseases；Seedling growth is to 3 leaf ages
When the phase, the medicament of pest control is sprayed；And the selection of medicament spraying time is in the afternoon.
Compared with prior art, the present invention having the advantages that：
1, the quality of seedlings is improved, institute's seedling raising is evenly distributed, and root system disk knot adapts to transplanted by machine；
2, the rice shoot individual cultivated is healthy and strong, and no disease and pests harm can meet the agriculture requirement of high yielding culture of rice；Heat can effectively be resisted
Mutation weather with the subtropical zone raising rice seedlings time can effectively avoid it to cultivating high-quality mechanized planting rice shoot significant effect
Failing property risk caused by his method of raising seedling；
3, production cost can be saved, is improved labor efficiency；Suitable for using Yunnan Province's Dehong prefecture as the tropical and subtropical region of representative
Raising rice seedlings demand, solve that double film Small plastic shed seedling seedling are complicated for operation, and seedling management difficulty is big, technology require it is high, at
This height, easy burn seedlings；Greenhouse seedling cost is high, and the mild illumination control difficulty of layer is big, and hardening difficulty is big, and rice shoot is not strengthened, complex management,
The technical merit and Farmer Quality Improvement that manage rice shoot are required high；Unobstructed outdoor seedling emergence is not neat enough, be after planting easy by
Heavy rain destroy, easily by the plague of rats, bird pest the problems such as；
4, technology requirement is rigorous in this method, and operating procedure is simple and practicable, and emergence rate is high and neat, greatly improves mechanization
The success rate of rice transplanting seedling, has broad application prospects.
Description of the drawings
Fig. 1 is the seedbed frame schematic diagram of the present invention after planting；
Fig. 2 is the flow chart of the present invention；
Figure label：1 ~ seedling disk layout pattern, 2 ~ cover net, 3 ~ seedling medium, 4 ~ seed rice, 5 ~ seedling medium, 6 ~ seed plate, 7 ~ seedling
Bed, 8 ~ irrigation and drainage ditch.
Specific implementation mode
The present invention will be further described below with reference to the drawings, but is not limited in any way to the present invention, base
In present invention teach that made by it is any transform or replace, all belong to the scope of protection of the present invention.
Seedling bed structure of the present invention：It is leeward on the sunny side, the convenient rice field of irrigation and drainage, suitable area is chosen in floor
Seedling field, in seedling field by width seedbed wide 120 ~ 160 centimetres set up multiple tracks seedling bed separately, be arranged between adjacent seedling bed it is wide by 40 ~
60 centimetres, depth is that 10 ~ 25 centimetres of irrigation and drainage ditch also serves as management passage, and tile along nursery bed length longitudinal direction with width seedling successively
Disk, close neat between seed plate, adjacent seed plate imbricate discharge is tried to get to the heart of a matter and is fitted closely with seedling field.
Seedling medium processing of the present invention：Select it is fertile, without gravel, weeds, without the remaining soil powder of pesticidal chemical
It is broken and native as nursery by the screening of the mesh screen of 2 mesh and/or 4 mesh, it selects well-rotted farmyard manure to crush and simultaneously passes through 2 mesh and/or 4 purposes
Mesh screen screening becomes nursery fertilizer, and makes the grain diameter of nursery soil, nursery fertilizer less than 0.3 centimetre, secondly nursery soil and nursery
Fertilizer presses 1 ~ 3:1 volume ratio is uniformly mixed that seedling medium is made is spare.
It is of the present invention cover net be shading rate be 60% ~ 70% sunshade net, have certain light transmission ventilation and heat and moisture preserving
Any one of rice and kernel curtain or the door curtain made of cloth of property material.
Embodiment one
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
Compacting is on the edge of irrigation and drainage ditch until seed rice development growth is at 1.5 ~ 2.5 Leaf-Age-Periods；
Step 4：When seedling growth to 1.5 ~ 2.5 Leaf-Age-Period, the 18 of afternoon are selected:00~19:In period when 00, every 20
The clear water that any one of a seed plate selection 30g urea, potassium dihydrogen phosphate or ternary compound fertilizer convert 8kg uniformly sprays fertilizer to rice shoot
Material is primary, completes fertilising and uses clear water hydro-peening rice shoot primary after five minutes；When seedling growth to 2.5 Leaf-Age-Period, in every afternoon
18:00~19:In period when 00, it is mould that every 10,000 square centimeters of seed plates select 70% fenaminosulf, 500 times of liquids or 30% first frost to dislike
A kind of sprinkling rice shoot prevention dead leaf disease in 1000 times of liquid of Lingshui Spring agent, wherein the time of fertilization time and medicament of spraying insecticide answers
Being staggered cannot be overlapped；
Step 5：When seedling growth to 3 Leaf-Age-Periods, day samming when reaching 25 DEG C, remove and cover net and carry out hardening, and in the Leaf-Age-Period
The interior medicament with prevention planthopper, snout moth's larva, cutworm, mole cricket is the Frontline or 20% emulsifiable concentrate of 5% suspending agent, 1000 times of liquid
It is primary that the Hostathion of 1000 times of liquid sprays rice shoot；
Step 6：When seedling growth to 3.5~4.5 Leaf-Age-Period, prepares transplanting when single plant rice shoot is 15 ~ 20 centimetres high, transplanting
First 2 ~ 3 days, every 20 seed plates selected any one of 30g urea, potassium dihydrogen phosphate or ternary compound fertilizer to convert the clear water of 8kg to seedling
It is primary that seedling uniformly sprays fertilizer, completes fertilising and uses clear water hydro-peening rice shoot primary after five minutes.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment two
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 35 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
Be compacted on the edge of irrigation and drainage ditch until seed rice development growth at 1.5 ~ 2.5 Leaf-Age-Periods rice shoot, when seedling development to 2 Leaf-Age-Periods
When, seedling growth is managed to transplanting according to the management method of step 4 in embodiment one to step 6.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment three
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：2 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Example IV
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：2 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 35 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment five
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 50 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment six
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 50 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 35 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Period in covering and heat insulating film.
Embodiment seven
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 50 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：2 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment eight
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 50 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：2 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 35 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment nine
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is in 18 ~ 20 DEG C, the seed rice after screening is put into 25% emulsion, 2000 times of liquid
Agent Prochloraz, 500 times of liquid of pulvis sym-closene or 50% 250 times of liquid of wettable powder carbendazim bactericidal agent
Secondly middle soaking sterilization 55 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture,
Again seed rice and urging seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and control spontaneous temperature temperature and be
25 DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling mistake
The bud length that seed rice is controlled in journey is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment ten
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is in 18 ~ 20 DEG C, the seed rice after screening is put into 25% emulsion, 2000 times of liquid
Agent Prochloraz, 500 times of liquid of pulvis sym-closene or 50% 250 times of liquid of wettable powder carbendazim bactericidal agent
Secondly middle soaking sterilization 65 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture,
Again seed rice and urging seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and control spontaneous temperature temperature and be
25 DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling mistake
The bud length that seed rice is controlled in journey is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment 11
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is in 18 ~ 20 DEG C, the seed rice after screening is put into 25% emulsion, 2000 times of liquid
Agent Prochloraz, 500 times of liquid of pulvis sym-closene or 50% 250 times of liquid of wettable powder carbendazim bactericidal agent
Secondly middle soaking sterilization 55 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture,
Again seed rice and urging seedling medicament by 10：2 weight ratio after mixing, stacks and carries out spontaneous temperature, and control spontaneous temperature temperature and be
25 DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling mistake
The bud length that seed rice is controlled in journey is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment 12
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is in 18 ~ 20 DEG C, the seed rice after screening is put into 25% emulsion, 2000 times of liquid
Agent Prochloraz, 500 times of liquid of pulvis sym-closene or 50% 250 times of liquid of wettable powder carbendazim bactericidal agent
Secondly middle soaking sterilization 65 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture,
Again seed rice and urging seedling medicament by 10：2 weight ratio after mixing, stacks and carries out spontaneous temperature, and control spontaneous temperature temperature and be
25 DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling mistake
The bud length that seed rice is controlled in journey is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 ~ 2 on every square centimeter, or conventional seed rice 1.5 ~ 3 are wanted
It asks on seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then
It is to cover net to cover seedbed and sowed the seed plate of seed rice to take the sunshade net that shading rate is 60%, covers the edge soil of net
It is compacted on the edge of irrigation and drainage ditch until seed rice development growth and is walked at the rice shoot of 1.5 ~ 2.5 Leaf-Age-Periods according in embodiment one
Rapid four to step 6 management method management seedling growth to transplant.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment 13
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 4 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 on every square centimeter, or the requirement of conventional seed rice 1.5 exists
On seedling medium, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then takes
The sunshade net that shading rate is 60% is to cover net to cover seedbed and sowed the seed plate of seed rice, covers the edge soil compaction of net
On the edge of irrigation and drainage ditch until seed rice development growth at 1.5 ~ 2.5 Leaf-Age-Periods rice shoot, and according to step 4 in embodiment one
Management method management seedling growth to step 6 is extremely transplanted.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment 14
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 1 on every square centimeter, or the requirement of conventional seed rice 1.5 exists
On seedling medium, the seedling medium for being 2 centimetres toward spreading a layer thickness on seed plate after sowing covers seed rice, then takes screening
The sunshade net that light rate is 60% is to cover net to cover seedbed and sowed the seed plate of seed rice, and the edge soil compaction for covering net exists
On the edge of irrigation and drainage ditch until seed rice development growth at 1.5 ~ 2.5 Leaf-Age-Periods rice shoot, and extremely according to step 4 in embodiment one
The management method management seedling growth of step 6 is extremely transplanted.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment 15
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 4 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 2 on every square centimeter, or the requirement of conventional seed rice 3 is being educated
In seedling matrix, the seedling medium for being 0.5 centimetre toward spreading a layer thickness on seed plate after sowing covers seed rice, then takes screening
The sunshade net that light rate is 60% is to cover net to cover seedbed and sowed the seed plate of seed rice, and the edge soil compaction for covering net exists
On the edge of irrigation and drainage ditch until seed rice development growth at 1.5 ~ 2.5 Leaf-Age-Periods rice shoot, and extremely according to step 4 in embodiment one
The management method management seedling growth of step 6 is extremely transplanted.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming when being less than 20 DEG C, selection in the afternoon 17：00 up to the next morning 10:In period when 00
Covering and heat insulating film.
Embodiment 16
Step 1：Select the particle that grain is full, disease-free greatly in hybrid rice to sow seed rice, in the place for avoiding direct sunlight
Spread the seed rice surface moisture that dries in the air out out, it is desirable that seed rice spreads drying out and wants thin and even, and thickness is no more than 10 centimetres, until seed rice reaches face
Subject to wet basis is not originally touched with one's hand in dry, and de- awns screening and choosing is spare；
Step 2：When breeding daily mean temperature is more than 20 DEG C, the seed rice after screening is put into the agent of 25% 2000 times of liquid of emulsion
It is soaked in the bactericidal agent of the carbendazim of Prochloraz, the sym-closene of 500 times of liquid of pulvis or 50% 250 times of liquid of wettable powder
Secondly bubble sterilization 45 hours is pulled out the seed rice after soaking sterilization and is rinsed 3 ~ 5 times using clear water, and filters out seed rice moisture, then
Seed rice and urge seedling medicament by 10：1 weight ratio after mixing, stacks and carries out spontaneous temperature, and it is 25 to control spontaneous temperature temperature
DEG C, seedling is urged in the environment that humidity is 80%, when 90% seed rice breaks chest and shows money or valuables one carries unintentionally and can terminate vernalization and sowed, and is urging seedling process
The bud length of middle control seed rice is no more than 0.2 centimetre；
Step 3：When sowing, dry-raised nurse and seed rice according to 1：7 weight ratio is uniformly mixed, and nursery soil and nursery fertilizer are pressed
1:1 volume ratio is uniformly mixed manufactured seedling medium and is laid on the seed plate on seedbed, and the laying depth of seedling medium is 2 lis
Rice, and the seed rice that broken shell shows money or valuables one carries unintentionally according to sowing hybrid rice seed 2 on every square centimeter, or the requirement of conventional seed rice 3 is being educated
In seedling matrix, the seedling medium for being 2 centimetres toward spreading a layer thickness on seed plate after sowing covers seed rice, then takes and cover net
It covers seedbed and has sowed the seed plate of seed rice, cover the edge soil compaction of net on the edge of irrigation and drainage ditch until seed rice is sent out
The rice shoot for growing into 1.5 ~ 2.5 Leaf-Age-Periods is educated, and rice shoot is managed according to the management method of step 4 in embodiment one to step 6
Grow to transplanting.
Above-mentioned rice shoot is in 3.5~4.5 Leaf-Age-Period periods before 2.5 Leaf-Age-Periods to transplanting, and the 9 of every morning:30~
10:When 30 and be 18 in the afternoon:00~19:Respectively rice shoot water once in period when 00, if rainy days or average daily
When temperature is less than 20 DEG C, be then changed to only that watering is primary at noon, remove cover net and carry out hardening during, select whole day in rainy days
Covering and heat insulating film, day samming then select in the afternoon 17 when being less than 20 DEG C：00 up to the next morning 10:Period when 00
Interior covering and heat insulating film.
Claims (10)
1. the invention discloses a kind of machine-transplanted rice seedling culture methods, it is characterised in that：It is dark using forming half by sunshading facility
The seedbed of change, and identical temperature, humidity environment are provided in overlay area, the nursery in such a way that seed plate is educated in conjunction with drought, training
The healthy and strong seedling body with certain disease resistance is brought out, is included the following steps：
A, seed rice pre-processes, and the particle for select grain in hybrid rice or conventional rice full, disease-free greatly is sows seed rice, choosing
The seed rice selected is placed in dryness in the sun in the environment of direct sunlight and de- awns screening and choosing is spare；
B, seedling bed build, select it is leeward on the sunny side, the convenient rice field of irrigation and drainage, floor build seedbed, seedbed is 120 ~ 160 centimetres wide,
Irrigation and drainage ditch, 40 ~ 60 centimetres of irrigation and drainage furrow width are set between seedbed, and depth is 10 ~ 25 centimetres；
C, seedling medium is processed, select it is fertile, without gravel, weeds, crushed mesh screen without the remaining soil of pesticidal chemical and be sieved into
For nursery soil, selecting well-rotted farmyard manure to cross mesh screen screening becomes nursery fertilizer, and the grain diameter of nursery soil, nursery fertilizer is made to be less than
0.3 centimetre, nursery soil and nursery fertilizer are pressed 1 ~ 3:1 volume ratio is uniformly mixed that seedling medium is made is spare；
Seed rice after screening is put into soaking sterilization in bactericidal agent by D, breeding, and the seed rice after soaking sterilization is pulled out using clear
Water rinses 3 ~ 5 times, and filters out moisture；Secondly the seed rice for filtering out moisture is stacked, the progress vernalization of spontaneous temperature, until seed rice broken shell is revealed
In vain；
E, it sows, seed plate is neatly laid on the seedbed built, secondly seedling medium is laid on seed plate, in seedling medium
On uniformly sow the seed rice handled by breeding, after sowing with seedling medium covering seed rice lose grain, no accumulation；Most
After take and cover net and cover seedbed, cover the edge soil compaction of net on the edge of irrigation and drainage ditch；
F, it manages, when seedling growth is at 2 Leaf-Age-Period, fertilising is primary；When seedling growth to 2.5 Leaf-Age-Period, every morning and afternoon
Each watering is primary；When seedling growth to 3 Leaf-Age-Period, removes and cover net progress hardening up to seedling growth to 3.5~4.5 leaf ages, list
Strain rice shoot is transplanted when 15 ~ 20 centimetres high, and fertilising in 2~3 days is primary before transplanting；
G, disease control when seedling growth to 1.5 ~ 2.5 Leaf-Age-Period, sprays the medicament for preventing withered seedling diseases；Seedling growth is to 3 leaf ages
When the phase, the medicament of pest control is sprayed；Wherein, medicament spraying time selects in the afternoon.
2. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：Bactericide in the step D
Agent is 250 times of liquid of sym-closene or 50% wettable powder of 500 times of liquid of agent Prochloraz, pulvis of 25% emulsion, 2000 times of liquid
Carbendazim.
3. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：Per day gas in the step D
When 18 ~ 20 DEG C of temperature, soaks seed 55 ~ 65 hours, soak seed 45 ~ 50 hours when 20 DEG C of daily mean temperature or more.
4. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：Seedling medicament is urged in the step D
Mass ratio with seed rice is 1 ~ 2:10, spontaneous temperature temperature when vernalization is 25 ~ 35 DEG C, humidity 80%, when 90% seed rice breaks chest
Vernalization can be terminated by showing money or valuables one carries unintentionally, and the bud length of seed rice is no more than 0.2 centimetre.
5. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：The mesh of mesh screen in the step C
Number is 2 mesh and/or 4 mesh, and nursery soil and the grain size of nursery fertilizer particle after screening are respectively less than 0.3 centimetre.
6. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：Seedling medium in the step E
Thickness be 2 ~ 4 centimetres；The thickness for covering the seedling medium of seed rice is 0.5 ~ 2 centimetre.
7. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：When being sowed in the step E,
Dry-raised nurse and seed rice are according to 1 ~ 2：The Precision Seeding after mixing of 7 weight ratio broadcasts hybrid paddy rice 1 ~ 2 on seedling medium every square centimeter
Grain or conventional Rice 1.5 ~ 3.
8. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：When watering in the step F
Between, morning 9:30~10:In period when 30, afternoon 18:00~19:In period when 00, low temperature, rainy days are changed to
Only watering is primary at noon.
9. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：Fertilization time in the step F
For afternoon 18:00~19:In period when 00, in the urea of every 20 seed plate 30g, potassium dihydrogen phosphate or ternary compound fertilizer
Any clear water for converting 8kg uniformly spray, complete fertilising after five minutes use clear water hydro-peening rice shoot it is primary.
10. machine-transplanted rice seedling culture method according to claim 1, it is characterised in that：In the step F 1.5~
When 2.5 Leaf-Age-Period, every 10,000 square centimeters of seed plates select 70% fenaminosulf, 500 times of liquids to be watered 2.5g or 30% first frost hymexazol
1000 times of liquids are watered 2kg water sprinkling rice shoot prevention dead leaf disease；With the Frontline of 5% 1000 times of liquid of suspending agent when 3 Leaf-Age-Period of rice shoot
Or the Hostathion pest control medicament of 20% emulsifiable concentrate, 1000 times of liquid.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110771463A (en) * | 2019-11-20 | 2020-02-11 | 湖南晶优农业科技开发有限公司 | Ratooning rice cultivation method and ratooning rice seeds |
| CN114532172A (en) * | 2022-02-22 | 2022-05-27 | 张家界爱德帮农业发展集团有限公司 | Reed rice series cultivation method and cultivation device |
| CN114651687A (en) * | 2022-04-25 | 2022-06-24 | 沭阳县恒大米业有限公司 | Method for cultivating high-quality high-yield disease-resistant new hybrid rice seedlings |
| CN116530380A (en) * | 2023-06-21 | 2023-08-04 | 云南省农业科学院粮食作物研究所 | Dry land color rice landscape planting method |
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| CN110771463A (en) * | 2019-11-20 | 2020-02-11 | 湖南晶优农业科技开发有限公司 | Ratooning rice cultivation method and ratooning rice seeds |
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| CN114532172A (en) * | 2022-02-22 | 2022-05-27 | 张家界爱德帮农业发展集团有限公司 | Reed rice series cultivation method and cultivation device |
| CN114651687A (en) * | 2022-04-25 | 2022-06-24 | 沭阳县恒大米业有限公司 | Method for cultivating high-quality high-yield disease-resistant new hybrid rice seedlings |
| CN116530380A (en) * | 2023-06-21 | 2023-08-04 | 云南省农业科学院粮食作物研究所 | Dry land color rice landscape planting method |
| CN116530380B (en) * | 2023-06-21 | 2023-09-26 | 云南省农业科学院粮食作物研究所 | Dry land color rice landscape planting method |
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